Search a number
-
+
1919214 = 23511359
BaseRepresentation
bin111010100100011101110
310121111200000
413110203232
5442403324
6105045130
722212243
oct7244356
93544600
101919214
1110a0a30
127867a6
1352273b
1437d5ca
1527d9c9
hex1d48ee

1919214 has 48 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 579960.

The previous prime is 1919161. The next prime is 1919231. The reversal of 1919214 is 4129191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5167 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

21919214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1919214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358720).

1919214 is an abundant number, since it is smaller than the sum of its proper divisors (2798226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1919214 is a wasteful number, since it uses less digits than its factorization.

1919214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 375 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1919214 is about 1385.3569937023. The cubic root of 1919214 is about 124.2723376125.

The spelling of 1919214 in words is "one million, nine hundred nineteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 243 297 359 486 594 718 891 1077 1782 2154 2673 3231 3949 5346 6462 7898 9693 11847 19386 23694 29079 35541 58158 71082 87237 106623 174474 213246 319869 639738 959607 1919214